| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [adv prt] since | 10 |
|
| 2 | has be [v-ing] [adv prt] since | 10 |
|
| 3 | has be [v-ing] on since | 9 |
|
| 4 | has be going [adv prt] since | 7 |
|
